. only on two, ktvu investigations. in this program, we'll present the series of recent special reports that have affected change here in the bay area and n-impact your daily life and we begin with the port of oakland, a '7 billion a year operation and wen uncovered top port officials tried to claim that the spending of hundreds of dollars of public money was legitimate expense. in one case the spending happened at a private room karaoke bar that some people suggest is a front for prostitution. eric rasmussen leads the investigation. >> reporter: for several nights we recorded a parade of scantily clad women, many dropped off all at once in midtown oakland. it's a familiar scene that neighbors say they have been concerned about for years. >> the first thing i thought there was just too many of them to be waitresses in this place. >> reporter: cafe joliet is where the port of oakland's manager like, dunnigan show his credit card was charged at 1:44 a.m. on his experience report dunnigan wrote, "it was a business meeting with china merchant, a large port operator who was in town for a n